WHEN FOUR VICTIMS ARE FOUND DEAD IN A HOTEL ROOM AND THE MAIN SUSPECT TURNS UP WIELDING AN AXE, THE CSIs TRY TO PIECE TOGETHER THE DETAILS ON A REBROADCAST OF "CSI: NY," WEDNESDAY, JULY 21

"Uncertainty Rules" � On the night of a young man's 21st birthday, his friends take him out to celebrate, but when they turn up dead and he's found walking in the middle of the street covered in his friends' blood and wielding an axe, the CSIs must trace the events of the man's wild night to figure out what happened, on a rebroadcast of CSI: NY, Wednesday, July 21 (10:00-11:00 PM, ET/PT) on the CBS Television Network.

SERIES REGULARS:

Det. Mac Taylor......... .... Gary Sinise
Det. Stella Bonasera Melina Kanakaredes
Danny Messer Carmine Giovinazzo
Dr. Sheldon Hawkes Hill Harper
Det. Don Flack Eddie Cahill
Lindsay Monroe Anna Belknap
Adam Ross AJ Buckley
Dr. Sid Hammerback Robert Joy

GUEST CAST:

James Roberts Joe Reegan
Officer # 1 Kerie W. Edmead
Officer # 2 Don Jeanes
Mark Turner Stephen Gabriel
Daniel Vaughn Ken Luckey
Jackie Wright Tristen McDonald
Lacey Deshane Nadine Heimann
Sara Carr Sarah Habel
Mary Riesling Linda Porter
Henry Wainright Hal Landon Jr.
Calvin Moore Martin Klebba
Cassie Davis Angela Gots
Gerald Gordon Cullen Douglas
Rufus Knox Dominic Keating
Carolina Natascha Hopkins

WRITTEN BY: Jeff Thomas

DIRECTED BY: Zachary Reiter

RATING: To Be Announced